Knowledge base for software setup, errors, and daily tool work.

Fix Windows Defender Service Unavailable Error

You open Windows Security and see the message 'Windows Defender service unavailable' or 'Windows ...

Fix Windows Defender Blank Screen in Safe Mode

You boot into Safe Mode to run a malware scan, but Windows Defender shows nothing—just a blank wh...

Fix OneDrive Sync Pending After Windows Update

After a Windows update, you might open OneDrive and see files stuck with a "Pending" status. This...

Fix Windows Defender Module Not Found Error 0x80070643